The first printing press of Bihar was established in which year?

1850
1899
1947
1971

The correct answer is A. 1850.

The first printing press in Bihar was established in 1850 by the Serampore Mission. The press was set up in Patna and printed a variety of materials, including religious texts, educational books, and newspapers. The press played an important role in the development of education and literacy in Bihar.

Option B is incorrect because the Serampore Mission established the first printing press in Bihar in 1850, not in 1899.

Option C is incorrect because India gained independence from British rule in 1947, and the first printing press in Bihar was established in 1850.

Option D is incorrect because the first printing press in Bihar was established in 1850, not in 1971.